After incision was made, bovie was attempted to use and did not activate on field.No fault alarms alerted.Grounding pad was checked and was in the green.Hand piece and grounding pad were disconnected and reconnected.No error messages, but still would not activate.A new hand piece was opened, no change.A new bovie pad was placed on the patient; no change.A new machine was brought in the room and bio med was called.Hand piece still did not work.Bio med checked the machine with a test hand piece which did work correctly.Bio-med suggested a new hand piece from a different lot number.A new lot number was opened and worked without issue on both machines (covidien valley lab consoles cn50920/cn50754).Bovie site was clear of an injury.No harm to patient was evident but did cause a delay intra-operatively.
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